JP2002305696A - Image display method in digital broadcast receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an operation method with ease of use by exhibiting a moving place of a cursor while visually emphasizing it. SOLUTION: Analyzing contents data included in a data broadcast program obtains a place possible for cursor operation on a contents menu to display the place with emphasis by providing a luminance or chrominance difference to the place from that of the other places. Or the emphasis of the place is attained by blinking areas possible for cursor operation or displaying the border line of the areas in a specific color or blinking the border line. At application of prescribed operations (depression of a key assigned to remote control keys or the like) to the contents menu, a present cursor position, a moved place by UP/DOWN/LEFT/RIGHT keys and operation contents by other key operations or the like are displayed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a receiver for receiving a data broadcast or the like which provides a multimedia service by combining characters, graphic data, etc., in addition to images and sounds operable by keys, in BS digital broadcasting and the like. .

[0002]

2. Description of the Related Art In BS digital broadcasting, there is a multimedia service of data broadcasting combining text, graphic data, and the like, and various programs such as weather forecast, news, cooking, etc. are provided.
It can be viewed by user operation. In an HTML WEB browser on a PC or the like, the operation is basically performed with a mouse, but in a receiver, the operation is mainly performed by moving a cursor with a remote controller (such as an “up / down / left / right” key and an “enter” key). Where the cursor is currently located, how it moves, and where it can move depends on the screen configuration and display method of the broadcast station.

[0003]

However, in all broadcasts, the moving position of the cursor is not unified, and it is sometimes difficult to understand how to operate the cursor. Accordingly, the present invention has been made in view of such a situation, and provides a user with a more convenient operation method by visually presenting where the cursor moves, and the like. It is.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a method for receiving a digital broadcast in which a video signal, an audio signal, and data such as a data broadcast are multiplexed and transmitted as coded digital data. A digital broadcast receiver, a separating unit that separates the video signal, the audio signal, and the data from a received signal, a video decoding unit that decodes the separated video signal, and the separated audio. Voice decoding means for decoding a signal, means for decoding the separated data, means for determining a moving location (area) of a cursor for instructing a data broadcast, and means for presenting the area in an emphasized manner; And a cursor operation means for highlighting a position where the cursor is moved and displaying the position on the screen to facilitate cursor operation.

In this case, the position where the cursor is moved is emphasized by lowering (darkening), blinking, or enclosing a specific line in a region other than the moved position, or The position can be different colors,
It may be specified by changing the blinking cycle. further,
The operation contents of the keys in the cursor operation means may be presented on a part of the screen. The display for highlighting the moving position (area) of the cursor may be performed by one button operation, or may be performed according to the operation at the time of page switching. In addition, after the display (emphasis) on the cursor movement position (area) is performed, the display state may return to the original display state in a fixed time, or may return to the original display state by a predetermined operation. .

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an image display method in a digital broadcast receiver according to the present invention will be described with reference to the drawings.
This will be described below. FIG. 1 is a block diagram showing a configuration of a digital broadcast receiver according to the present invention. First, the overall signal flow will be described. In FIG. 1, a tuner 1 selects a carrier wave on which a program desired by a viewer is being broadcast as a received broadcast wave input from an input terminal.
The carrier selected by the tuner 1 is demodulated into digital data by the 8PSK demodulator 2. The demodulated digital data is separated into a video signal, an audio signal, a data broadcast, subtitles, other data, and the like in the TS decoding unit 3. Here, the separated audio signal is guided to the audio decoding unit 4, converted into an analog signal, and output from an audio output terminal.

[0007] The video signal is input to a video decoding unit 5, converted into a video signal of a predetermined format, and then guided to a presentation processing unit 6 at a subsequent stage, where it is superimposed on an OSD as necessary. And output from the video output terminal.
For data broadcasting, the TS decoding unit 3 uses the RAM 7
After being decoded and decoded, the presentation processing unit 6 superimposes it on the video signal.

FIG. 2 is a diagram showing a layout example of a menu screen of multimedia contents by data broadcasting. In this example, the content is news, weather,
There are four pages for traffic information and information. On the screen shown in Fig. 2, select the desired page with the "Up / Down / Left / Right" keys on the remote control, and then press the "Enter" key to display the corresponding page Things. There is also a top page, and the user can return to the top page by pressing the "return" key. Now, in FIG. 2, there is a cursor at the position of the news, and when the "Enter" key is pressed here,
The news page will be displayed.

FIG. 3 is a diagram showing a layout example of a news page screen. In the figure, news items are displayed on the left side of the screen, and the contents of the item specified by the cursor are displayed on the right side. Now, select the news items on the left side of the screen with the up and down cursors,
The news content is displayed on the right side. When the down cursor is pressed from the state of FIG. 3 (A), the cursor moves downward as shown in FIG. 3 (B). The news content of the item is displayed. In addition, depending on the content, an advertisement or the like unrelated to the content may be displayed. The contents are not limited to those shown in FIG. 2, and a user interface can be freely created.

Next, the operation of the digital broadcast receiver according to the present invention will be described with reference to the screen displayed at that time. The digital broadcast receiver analyzes the content data included in the received data broadcast to obtain a position where the cursor can be operated on the content menu screen,
The part is highlighted to distinguish it from the others.

FIG. 4 is a diagram showing the positions where the cursor can be moved on the content menu screen shown in FIG. 2 thus obtained. The shaded area indicates the position where the cursor can be moved. In order to emphasize the position where the cursor can be moved by adding a luminance difference or a chromaticity difference, FIG.
The brightness or chromaticity of the other portions may be changed while leaving the region of the hatched portion as it is. Further, it is also possible to make the area of the hatched portion in FIG. 4 blink by blinking or to display the border of the hatched portion to emphasize it. Then, in the menu screen highlighted in this way,
When a predetermined operation (such as pressing a key assigned to a remote control key) is performed, the current cursor position, “up / down / left / right”
The moving location by the key and the operation content by the other key operation are displayed.

FIG. 5 is a diagram showing a layout example of a screen displayed at that time. In the figure, the current cursor position is displayed in solid color, the position moved by the “up / down / left / right” keys is displayed as an arrow, and the operation contents by other key operations are displayed in the lower right of the screen. Then, on the menu screen of the multimedia content in which the current cursor position, the moving position by the “up / down / left / right” keys, and the operation contents by other key operations are displayed together as shown in FIG. When the button is pressed, the screen shifts to the page display screen shown in FIG. 3. At this time, the cursor is displayed on the page display screen at which position the cursor is currently located and where the cursor can be moved. , The operating position of the cursor can be known.

FIG. 6 is a diagram showing a layout example of a page screen displayed when the "enter" key of the present invention is pressed. In the figure, the current cursor position is displayed in solid color, and the position moved by the “up / down / left / right” key is displayed as an arrow. By performing a predetermined operation when the page screen shown in FIG. 3 is displayed, the display shown in FIG. 6 can be performed again. Also, when shifting to the menu screen shown in FIG. 2, the display as shown in FIG. 5 allows the user to be notified of the cursor operation position and the like without performing a predetermined operation. The display shown in FIGS. 5 and 6 can be returned to the original display state shown in FIG. 2 after a predetermined time or by performing a predetermined operation.

[0014]

According to the present invention, a user who operates to view multimedia contents by data broadcasting can understand the following operation method simply by looking at the screen, and can obtain desired data without being perplexed by the operation. Can be obtained.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a digital broadcast receiver according to the present invention.

FIG. 2 is a diagram showing an example of a layout of a menu screen of multimedia contents by data broadcasting.

FIG. 3 is a diagram illustrating a layout example of a news display screen in multimedia content.

FIG. 4 is a diagram showing positions where a cursor can be moved on the screen shown in FIG. 2;

FIG. 5 is a diagram showing a layout example of a screen displayed by a predetermined operation according to the present invention.

FIG. 6 shows “determination” on the screen shown in FIG. 2 according to the present invention.
FIG. 9 is a diagram illustrating a layout example of a page screen displayed when a key is pressed.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Tuner, 2 ... 8PSK demodulation part, 3 ... TS decoding part, 4 ... Audio decoding part, 5 ... Video decoding part, 6 ... Presentation processing part, 7 ... RAM.

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Claims (9)

[Claims] 1. A digital broadcast in which a video signal, an audio signal, and auxiliary data including at least a data broadcast are multiplexed as coded digital data is received, and the video signal, the audio signal, , Ancillary data,
Each of them is separated and decoded, an image data brain is created by the data included in the decoded auxiliary data, a presentation screen is reconstructed from the image data brain by a key operation of a user, and the presentation is performed by a predetermined operation. An image display method characterized by highlighting and displaying a moving position (area) of a cursor on a screen. 2. The image display method according to claim 1, wherein
An image display method, wherein a position (area) where the cursor is moved is emphasized by displaying it with a luminance difference or a chromaticity difference from other areas. 3. The image display method according to claim 1, wherein
An image display method, wherein a position (area) where the cursor moves is highlighted by blinking. 4. The image display method according to claim 1, wherein
An image display method, wherein a position (area) where the cursor is moved is highlighted by displaying a line of a specific color or a blinking line around the cursor. 5. The image display method according to claim 1, wherein an operation content of the key is displayed on a part of a screen. 6. The image display method according to claim 1, wherein the cursor is moved (area).
The image display method characterized in that the display for highlighting can be performed by one button operation. 7. The image display method according to claim 1, wherein the cursor is moved (area).
Wherein the display for emphasizing is performed according to an operation at the time of page switching. 8. The image display method according to claim 1, wherein the cursor is moved (area).
An image display method characterized by returning to the original display state in a certain time after performing a display for emphasizing. 9. The image display method according to claim 1, wherein the cursor is moved (area).
An image display method characterized by returning to the original display state by a predetermined operation after performing display for emphasizing.